Editing Human sexuality (section)

===Sexual dysfunction and sexual problems===
{{main|Sexual dysfunction}}
Sexual disorders, according to the DSM-IV-TR, are disturbances in sexual desire and psycho-physiological changes that characterize the sexual response cycle and cause marked distress and interpersonal difficulty. The sexual dysfunctions is a result of physical or psychological disorders. The physical causes include hormonal imbalance, diabetes, heart disease and more. The psychological causes includes but are not limited to stress, anxiety, and depression.<ref>{{cite web|title=Female Sexual Dysfunction|url=http://www.webmd.com/women/guide/sexual-dysfunction-women|website=webmd.com|publisher=webmd.com|access-date=2 December 2015}}</ref> The sexual dysfunction affects men and women. There are four major categories of sexual problems for women: desire disorders, arousal disorders, orgasmic disorders, and sexual pain disorders.<ref name="ReferenceA"/>{{page needed|date=February 2016}} The sexual desire disorder occurs when an individual lacks the sexual desire because of hormonal changes, depression, and pregnancy. The arousal disorder is a female sexual dysfunction. Arousal disorder means lack of vaginal lubrication. In addition, blood flow problems may affect arousal disorder. Lack of orgasm, also known as, anorgasmia is another sexual dysfunction in women. The anorgasmia occurs in women with psychological disorders such as guilt and anxiety that was caused by sexual assault. The last sexual disorder is the painful intercourse. The sexual disorder can be result of pelvic mass, scar tissue, sexually transmitted disease and more.<ref>{{cite web|title=Female Sexual Dysfunction|url=http://www.webmd.com/women/guide/sexual-dysfunction-women?page=2|website=webmd.com|access-date=2 December 2015}}</ref>

There are also three common sexual disorders for men including, sexual desire, ejaculation disorder, and erectile dysfunction.  The lack of sexual desire in men is because of loss of libido, low testosterone. There are also psychological factors such as anxiety, and depression.<ref>{{cite web|title=Male Sexual Problems|url=http://www.webmd.com/men/guide/mental-health-male-sexual-problems?page=2|website=Webmd.com|access-date=2 December 2015}}</ref>
The ejaculation disorder has three types: retrograde ejaculation, retarded ejaculation, premature ejaculation. The erectile dysfunction is a disability to have and maintain an erection during intercourse.<ref>{{cite book|title=Our Bodies, Ourselves|date=2011|publisher=Boston Women's Health Book Collective|isbn=978-0-7432-5611-7|edition=35th|url=https://archive.org/details/ourbodiesoursel00bost}}</ref>